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Min.Order:1 Kilogram
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Min.Order:0 Metric Ton
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3-O-(2′′-O-galloyl-α-L-rhamnopyranosyl) quercetin
quercitrin
Conditions | Yield |
---|---|
With ammonium hydroxide In methanol for 24h; Ambient temperature; |
myricitrin
quercitrin
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1.1: hydrogen; sodium hydroxide; 5%-palladium/activated carbon / 28 h / 40 °C / 15001.5 Torr 2.1: sodium hydroxide / 1 h / Reflux 2.2: 1 h / Reflux 3.1: N,N-dimethyl-formamide 3.2: 5 h / 80 - 100 °C View Scheme |
Conditions | Yield |
---|---|
Stage #1: C14H18O9; 3,4-dihydroxybenzaldehyde In N,N-dimethyl-formamide Stage #2: With L-proline In N,N-dimethyl-formamide at 80 - 100℃; for 5h; Solvent; Temperature; | 28.9 g |
Conditions | Yield |
---|---|
With hydrogenchloride In methanol |
Conditions | Yield |
---|---|
With ethanol; sulfuric acid for 3h; Heating; | |
With α-L-rhamnosidase from Pichia angusta X349 In acetate buffer at 30℃; for 18h; pH=6.5; Enzymatic reaction; | |
Stage #1: quercitrin With sulfuric acid In 1,4-dioxane at 100℃; for 1h; Stage #2: With pyridine; D-cysteine In water at 60℃; for 1h; Stage #3: With chloro-trimethyl-silane; 1,1,1,3,3,3-hexamethyl-disilazane at 60℃; for 0.5h; |
Conditions | Yield |
---|---|
With hydrogenchloride; ethanol for 1h; Heating; | 122 mg |
With naringinase In acetate buffer at 20℃; for 3h; pH=5.5; Enzymatic reaction; | |
Stage #1: quercitrin With sodium hydroxide; ascorbic acid at 20℃; for 2h; Darkness; Stage #2: With hydrogenchloride; water In methanol at 100℃; for 2h; | |
With flavonol 3-O-rhamnosyltransferase UGT78D1 from arabidopsis thaliana; UDP |
Conditions | Yield |
---|---|
With sulfuric acid In water at 100℃; for 1h; Product distribution; | |
Product distribution; acid hydrolysis; |
Conditions | Yield |
---|---|
With hydrogenchloride In hydrogenchloride for 1h; Product distribution; Heating; |
Conditions | Yield |
---|---|
With pyridine at 25℃; for 24h; |
Conditions | Yield |
---|---|
With hydrogenchloride; water In methanol for 2h; Reflux; |
quercitrin
Conditions | Yield |
---|---|
With water-d2; ammonium formate In aq. buffer at 90℃; pH=3; Temperature; Time; pH-value; Darkness; regioselective reaction; |
Conditions | Yield |
---|---|
With sodium hydroxide; ascorbic acid at 20℃; for 2h; Darkness; |
quercitrin
Conditions | Yield |
---|---|
With UPLC columns (Waters BEH C18 column (2.1 × 50 mm,1.7 μm), Waters HSS T3 (2.1 × 100 mm, 1.8 μm) |
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